Uppercase Processor

Converts a string to its uppercase equivalent.

Table 34. Uppercase Options

NameRequiredDefaultDescription

field

yes

-

The field to make uppercase

target_field

no

field

The field to assign the converted value to, by default field is updated in-place

ignore_missing

no

false

If true and field does not exist or is null, the processor quietly exits without modifying the document

{
  "uppercase": {
    "field": "foo"
  }
}